Demountable rim for tires



' l... B. HANCOCK l DEMOUNTA'BLE RIM FOR VTIRES A Filed Aug. 6, 1920 `EE7: Z- g l, ,f T

To all 'whom t may concern.'

, 1,461,311 i' DFF'CEF Las B. HANCOCK.; or RroivronnjvmeimnrnivroUN'rALsLn RIM ron Trans.

Appiieation fiiednugust e, 1.920.V serial Naf-animo: 7-

Be it known thatI, LEE B. HANCOCK, a

Citizen of the United States, residing at Richmond, inthe (county of Henrico and State of Virginia,have inventedcertain new anduseful Improvements vin Demountable.y vRims for Tires, of whichftheffollowing 1s a specification.v Y

v This to which a resilient or other tireis attached.

The 'object Vwhich I have in --view-A yis to provide a fel-ly -band and Va rimin a struc.- ture of the kind referredto of such form that whenthe partsare inposition for usearcontinuous bearing for thef-rim .shall beipre-v sented and the rim bef'prevented from-creep.l ing. A further object is to providev a felly band and arim'each'provided with prov jectionsor ribs which .when the parts are assembled shall form a continuous'bearing for the rim, and in which a portion of-such projections or ribs shall be transversely inclined in order that when lthe parts are drawn together a tight and rigid connection between -them shall be accomplished.

Further, the object is to provide a felly band and a rim having the above mentioned characteristics and in which the p'arts'lare so formed as to permit of accurate positioning for use without the exercise of sli'ill or care on the part of a person assembling them. f

With these-objects to be accomplished7 my invention resides in the novel features of construction and arrangement of the felly band and. rim of an automobile wheel substantially as hereinafter described and claimed.

The preferred form of embodiment vof the invention is illustrated in the accompanying drawing, inwhich:

Figure l is a side view of an automobile Wheel in which the felly band and rim are of the improved construction;

Figure 2 is a transverse sectional viewk jections v*With* which the fel'ly band and rimV are provided.

In the drawing I have shown an automobile wheel in which the felly band l is at-l invention `v relates lto automobile Wheels, and it relates particularly to-'the "con-v y Y struction of the felly bands andof the irims tache'd to allc'ommon formof wooden felly2. 'Thefelly band isfrecess'ed-'at opposite' -por tions 14of itsdiaineter toform -twov ormore` outwardly projecting rib `sections 3 ya`.n' il=toj` form between. theserib sections --"the"rela2 tively thin portions 5( The protuberantfor' f j projecting portions 3, are 'of the saine'thick-"1 ness transversely 'and throughoutfthe 'length of .these portions the -ends'of lthe ribs orf protuberant' portions 3 are kbeveledfin orde'r *j j to'formoutwardlyr divergent: vshoulders o rQ walls latthe ends of therecessed portions.l They recessed :.porti'ons 5` have anfinclined .j outer face, as illustrated in f Figure` Qgvso'i" thatA the band at these recessed portionsis` higher lat its inner edge than'at`itslouter.l i

edge.

The `.rim 4 used. in'connection "with 751 'v felly` bandhas formed on its inner'face two at 7 oppositely to these short shoulders on the felly band in order that when the ribis slipped on the band the parts will be guided to and rigidly held in their relative positions. The ribs Shave inclined inner faces to coact with the inclined outerl faces of therecessedportions 5 ofthe fellyYV band.V Y v While I have illustrated Y the felly` band as being provided with two'projectingvportions'and two recessed portions and the rim as having two projecting portionsgto fit in" vthe recessed portions 'of the felly band,v I

do not wish to be limited to this, as it is-` obvious that the number of interengagingribs y. y

andL recesses on the respective parts 4is immaterial and that any numberl of these ribs and recess may be used.y

The rim may be drawn into place on the' felly `band and rigidly secured by any suit`I able means. The means illustrated consists of screw-threaded studs or pins 8 which project radially through the felly band rand which enter lsockets 9 in the vribs or protuberant yface of the rim. Each of these screws 8 has a wrench head l0 and a rounded j or tapering head 11. Each of thesescrews passes through a screwthreaded plate l2 which is held to ,thej felly inV any suitable manner, as by the rivets 13. Binding nuts. l

14 may be usedy for holding the screw pins l8 intheir set positions.,`

In assembling, the screwor studs 8 are' turned out'so that-they do not project bepy,

yond the inclined faces of the recessed portions. 5 and the rim is then moved laterally over the elly band until the ends of the screws 8 are disposed over or in register with the outer portion of the tapering sockets l1 in the rim, and the screws are then turned to cause them to enter the sockets and this action, because `of the rounded extremities of the screws, causes the rim to be forced inward over the fel-ly. This inward movement causes the beveled rib portion of the rim to slide over the opv positely beveled rib portion of the telly band and results in the bringing together tightly of the adjacent contacting parts of the rim and lfelly band, forming a continuous solid bearing for the rim. The advantage of the provision of the oppositely beveled ends .of the ribs of the parts will be apparent. No great carev or skill is requisite in the initial placing of the rim on the Vlielly because as the rim is forced into operative position it is guided into and finally retained in its predetermined positionl secure against creeping, and, therefore, Wear of the parts in use and injury to a tire valve tube extending through the rim and felly are avoided.

I claim:

l. In a Wheel having a telly, a felly band encircling Asaid felly circumferentially recessed on its outer face, the face of said recess being laterally inclined, theend Walls of said recess being laterally inclined, a rim tting upon the band and having a circumferentially extending projecting portion on its inner face fitting said recess and having its vends inclined complementarily to the vinclined end Walls `of the recess and means erentially extending, protuberant portion on its inner face fitting said recess in the felly band, said protuberant portion having a laterally inclined face, and means for detachably locking 'the rim in place upon the felly band vcomprising studs projecting outward from the felly band, the rim having sockets With-in which said studs engage, and a screwY passing through ythe fellyv and -felly :band and having a tapering extremity, theA rim being provided on its inner Jface with a tapering socket in which said extremity is adapted to engage.

In testimony whereof'I aiix my signature.

LEE B. HANCOCK. 

